1、过去进行时： 一、 1. 基本用法： (1) 过去某时刻正在进行的动作 Eg. He was playing computer games when his father came home. (2) 过去某时段正在进行的动作 Eg. He was doing his homework while his mother was cooking. 2. 基本结构：was/were+现在分词 My mother _(cook) dinner at this time last night. 否定句:was/were后加not My mother _ dinner at this time last
2、 night. 一般疑问句：was/were 提到句首 _ your mother _ dinner at this time last night? 肯定回答：Yes,人称代词+ was/were No,人称代词+wasnt/werent 3. 常见时间状语：at this time yesterday, then, at that tim, at +点钟+过去的时间或 以 when 引导的谓语动词是一般过去时的时间状语等。 when 与 while 区别： when 是 at or during the time that, 既指时间点， 也可指一段时间， while 是 during t
3、he time that，只指一段时间，因此 when 引导的时间状语从句中的 动词可以是_动词，也可以是_动词，而 while 从句中的 动词必须是_动词。 when 说明从句的动作和主句的动作可以是同时， 也可以是先后发生； while 则强调主句的动作在从句动作的发生的过程中或主从句两个动作同时 发生。 由 when 引导的时间状语从句，主句用_时，从句应用 _时；如果从句和主句的动作同时发生，两句都用_时 的时候，多用 while 引导， 4. 一般过去时与过去进行时的区别： 一般过去时往往表示某一动作_，过去进行时表示动作在 _。 She wrote a letter to her
4、friend last night.(信已经写完） She was writing a letter to her friend last night.（正在写，没写完） 练习：一、选择题 1I saw a girl _ across the street. Awalks Bto walk Cwalking Dwalked 2_ was the man running? Because he wanted to catch the early bus. AWhat BWhy CWhere DWhen 3_ were the children playing tennis? At the sta
5、dium. AWhen BWhere CWhat DWhich 4Did you watch the opening of Winter Olympic games? No, I didnt. I _ on the Internet. Astudy Bhave studied Cam studying Dwas studying 5Did you see them _ under the tree just now? Asitting Bsat Cto sit Dplayed 6What _ you _ at 10:00 last night? Awas; doing Bwere; doing
6、 Cdid; doing Ddo; do 7Sam, what will the weather be like tomorrow? Sorry, Mum. I didnt watch the weather forecast just now. I _ a football match. Awas watching Bam watching Cwould watch Dwill watch 8 When he _ TV, his mother came in. Awatches Bis watching Cwatched Dwas watching 9Has your friend comp
7、leted his design? Not yet. He _ on it last night. Aworked Bhas worked Cis working Dwas working 10I called you yesterday morning, but nobody answered it. Oh, we _ some shopping in the supermarket. Aare doing Bwere doing Cdid Dhave done 二、填空 11Did you see them _ (work) in the field just now? 12It was
8、10 oclock. She _ (wash) clothes. 13Lily was standing outside the classroom.（改为一般疑问句，并作肯定 回答） _ _ _ outside the classroom? Yes, _ _. 14That girl was making a cake.(改为一般疑问句) _ that girl _ a cake? 15David was sitting under the tree.（改为否定句） David _ _ under the tree. 16They were picking apples in the garden.（对划线部分提问） _ _ _ _ in the garden
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